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Definition of Petiole
1. Noun. The slender stem that supports the blade of a leaf.
Definition of Petiole
1. n. A leafstalk; the footstalk of a leaf, connecting the blade with the stem. See Illust. of Leaf.
Definition of Petiole
1. Noun. (botany) The stalk of a leaf, attaching the blade to the stem. ¹
2. Noun. (entomology) A narrow or constricted segment of the body of an insect. Used especially to refer to the metasomal segment of Hymenoptera such as wasps. ¹
3. Noun. (entomology) The stalk at the base of the nest of the paper wasp. ¹
¹ Source: wiktionary.com
Definition of Petiole
1. the stalk of a leaf [n -S] : PETIOLED [adj]
Medical Definition of Petiole
1. The stalk portion of a leaf. (09 Oct 1997)
Lexicographical Neighbors of Petiole
Literary usage of Petiole
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"When the petiole is wanting, the leaf is said to be sessile. ... Sometimes, as
in the garden sweet-pea, the petiole is furnished with a kind of border or ..."
2. The Standard Cyclopedia of Horticulture: A Discussion for the Amateur, and by Liberty Hyde Bailey (1917)
"Biennial, 3-9 ft. high, densely white-floccose-tomentose: Ivs. entire or obso-
letely crenate; radical Ivs. oblong or elliptic, attenuate to a short petiole ..."
3. Cyclopedia of American Horticulture: Comprising Suggestions for Cultivation by Liberty Hyde Bailey, Wilhelm Miller (1900)
"petiole dirty green on the lower surface, bright red above ; blade bright green,
... petiole reddish, variegated with violet ; blade broadly reddish purple ..."
4. Biological Bulletin by Marine Biological Laboratory (Woods Hole, Mass.) (1914)
"IOI the mining habit and begins to burrow lengthwise down the petiole. It is
initiated when the larva locates either the midrib, or the junction of the leaf ..."
5. Introduction to Structural and Systematic Botany and Vegetable Physiology by Asa Gray (1866)
"The petiole, Of Leafstalk, is usually either round, or half-cylindrical and
channelled on the upper side. But in the Aspen, it is strongly flattened at ..."
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